testify, nixon ultimately resigned. we have tried to avoid these things, and the president seems to be saying all power resides in him when it comes to his enforcing the law and his complying wit t law. >> and in the 20-page memo the lawyers make this argument that the president cannot obstruct justice. here's what a former new jersey governor, chris christie, said about that. >> you could tell every time rudy giuliani didn't agree with that, he said, i'll have to ask about that. they were trying to make a broad argument. lawyers do that all the time even to court. i've seen that happen many times. in the end, cooler heads prevail. >> john, your reaction to that? >> yeah, the idea of trump pardoning himself, i think, is completely ridiculous. you could see that giuliani even said so, that even if -- and that's a big if -- the legal argument held, the court of